Data processing system





1. IN COMBINATION, A DATA RECEIVER FOR RECEIVING DATA ENTITIES, FIRSTAND SECOND TEMPORARY STORAGE REGISTERS EACH ADAPTED TO STORE A PLURALITYOF DATA ENTITIES, MEANS FOR TRANSFERRING DATA ENTITIES IN SEQUENCE FROMSAID SECOND REGISTER TO SAID RECEIVER, A DATA STORAGE UNIT FOR STORING APLURALITY OF GROUPS OF DATA ENTITIES, MEANS FOR TRANSFERRING A GROUP OFDATA ENTITIES SUBSTANTIALLY SIMULTANEOUSLY FROM SAID DATA STORAGE UNITTO SAID FIRST REGISTER, MEANS FOR PROVIDING A SIGNAL WHEN APREDETERMINED NUMBER OF SAID DATA ENTITIES ARE STORED IN SAID FIRSTREGISTER, AND MEANS RESPONSIVE TO SAID SIGNAL FOR CAUSING DATA ENTITIESTO BE TRANSFERRED FROM SAID FIRST REGISTER TO SAID SECOND REGISTER. 13.IN A DATA PROCESSING SYSTEM, A DATA PROCESSING UNIT FOR PERFORMING APLURALITY OF OPERATIONS, MEANS FOR GENERATING A SIGNAL IN RESPONSE TO APREDETERMINED INCIDENT OCCURRING DURING THE PERFORMANCE OF APREDETERMINED OPERATION BY SAID DATA PROCESSING UNIT, AND MEANS RESPON-